3 # This module impliments the handlers for the protocal mode for a dx cluster
5 # Copyright (c) 1998-2006 Dirk Koopman G1TLH
40 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
41 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
42 $pingint $obscount %pc19list $chatdupeage $chatimportfn
43 $investigation_int $pc19_version $myprot_version
44 %nodehops $baddx $badspotter $badnode $censorpc
45 $allowzero $decode_dk0wcy $send_opernam @checklist
46 $eph_pc15_restime $pc9x_past_age $pc9x_future_age
50 $pc9x_past_age = 62*60; # maximum age in the past of a px9x (a config record might be the only
51 # thing a node might send - once an hour)
52 $pc9x_future_age = 5*60; # maximum age in the future ditto
53 $pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
56 # incoming talk commands
64 # this is to catch loops caused by bad software ...
65 if (eph_dup($line, $pc10_dupe_age)) {
69 # will we allow it at all?
72 if (@bad = BadWords::check($_[3])) {
73 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
78 # is it for me or one of mine?
79 my ($from, $to, $via, $call, $dxchan);
88 # if this is a 'nodx' node then ignore it
89 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
90 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
94 # if this is a 'bad spotter' user then ignore it
97 if ($badspotter->in($nossid)) {
98 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
102 # if we are converting announces to talk is it a dup?
104 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
105 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
110 # remember a route to this node and also the node on which this user is
111 RouteDB::update($_[6], $self->{call});
112 # RouteDB::update($to, $_[6]);
114 # convert this to a PC93, coming from mycall with origin set and process it as such
115 $main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
126 # route 'foreign' pc26s
128 if ($_[7] ne $main::mycall) {
129 $self->route($_[7], $line);
134 # is the spotted callsign blank? This should really be trapped earlier but it
135 # could break other protocol sentences. Also check for lower case characters.
136 if ($_[2] =~ /^\s*$/) {
137 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
140 if ($_[2] =~ /[a-z]/) {
141 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
146 # if this is a 'nodx' node then ignore it
147 if ($badnode->in($_[7])) {
148 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
152 # if this is a 'bad spotter' user then ignore it
154 $nossid =~ s/-\d+$//;
155 if ($badspotter->in($nossid)) {
156 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
160 # convert the date to a unix date
161 my $d = cltounix($_[3], $_[4]);
162 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
163 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
164 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
169 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
170 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
175 $_[5] =~ s/^\s+//; # take any leading blanks off
176 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
177 if ($_[2] =~ /BUST\w*$/) {
178 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
183 if (@bad = BadWords::check($_[5])) {
184 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
190 # RouteDB::update($_[7], $self->{call});
191 # RouteDB::update($_[6], $_[7]);
193 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
194 # global spot filtering on INPUT
195 if ($self->{inspotsfilter}) {
196 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
198 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
203 # this goes after the input filtering, but before the add
204 # so that if it is input filtered, it isn't added to the dup
205 # list. This allows it to come in from a "legitimate" source
206 if (Spot::dup(@spot[0..4,5])) {
207 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
215 # @spot at this point contains:-
216 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
217 # then spotted itu, spotted cq, spotters itu, spotters cq
218 # you should be able to route on any of these
221 # fix up qra locators of known users
222 my $user = DXUser->get_current($spot[4]);
224 my $qra = $user->qra;
225 unless ($qra && is_qra($qra)) {
226 my $lat = $user->lat;
227 my $long = $user->long;
228 if (defined $lat && defined $long) {
229 $user->qra(DXBearing::lltoqra($lat, $long));
234 # send a remote command to a distant cluster if it is visible and there is no
235 # qra locator and we havn't done it for a month.
237 unless ($user->qra) {
239 my $to = $user->homenode;
240 my $last = $user->lastoper || 0;
241 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
242 my $cmd = "forward/opernam $spot[4]";
243 # send the rcmd but we aren't interested in the replies...
244 my $dxchan = $node->dxchan;
245 if ($dxchan && $dxchan->is_clx) {
246 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
248 route(undef, $to, pc34($main::mycall, $to, $cmd));
252 $node = Route::Node::get($to);
254 $dxchan = $node->dxchan;
255 if ($dxchan && $dxchan->is_clx) {
256 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
258 route(undef, $to, pc34($main::mycall, $to, $cmd));
262 $user->lastoper($main::systime);
271 $r = Local::spot($self, @spot);
273 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
276 # DON'T be silly and send on PC26s!
277 return if $pcno == 26;
279 # send out the filtered spots
280 send_dx_spot($self, $line, @spot) if @spot;
291 # announce duplicate checking
292 $_[3] =~ s/^\s+//; # remove leading blanks
296 if (@bad = BadWords::check($_[3])) {
297 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
302 # if this is a 'nodx' node then ignore it
303 if ($badnode->in($_[5])) {
304 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
308 # if this is a 'bad spotter' user then ignore it
310 $nossid =~ s/-\d+$//;
311 if ($badspotter->in($nossid)) {
312 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
319 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
320 $self->send_chat(0, $line, @_[1..6]);
321 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
324 # RouteDB::update($_[5], $self->{call});
325 # RouteDB::update($_[1], $_[5]);
327 # ignore something that looks like a chat line coming in with sysop
328 # flag - this is a kludge...
329 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
330 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
334 # here's a bit of fun, convert incoming ann with a callsign in the first word
335 # or one saying 'to <call>' to a talk if we can route to the recipient
337 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
339 my $ref = Route::get($call);
341 $dxchan = $ref->dxchan;
342 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
349 $self->send_announce(0, $line, @_[1..6]);
351 $self->route($_[2], $line);
362 if (eph_dup($line, $eph_pc15_restime)) {
365 unless ($self->{isolate}) {
366 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
382 my $newline = "PC16^";
384 # dos I want users from this channel?
385 unless ($self->user->wantpc16) {
386 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
391 if ($ncall eq $main::mycall) {
392 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
397 $h = 1 if DXChannel::get($ncall);
398 RouteDB::update($ncall, $self->{call}, $h);
399 if ($h && $self->{call} ne $ncall) {
400 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
404 if (eph_dup($line)) {
408 my $parent = Route::Node::get($ncall);
411 $dxchan = $parent->dxchan;
412 if ($dxchan && $dxchan ne $self) {
413 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
417 # input filter if required
418 return unless $self->in_filter_route($parent);
420 $parent = Route::Node->new($ncall);
424 if ($parent->via_pc92) {
425 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
432 for ($i = 2; $i < $#_; $i++) {
433 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
434 next unless $call && $conf && defined $here && is_callsign($call);
435 next if $call eq $main::mycall;
437 eph_del_regex("^PC17\\^$call\\^$ncall");
439 $conf = $conf eq '*';
441 # reject this if we think it is a node already
442 my $r = Route::Node::get($call);
443 my $u = DXUser->get_current($call) unless $r;
444 if ($r || ($u && $u->is_node)) {
445 dbg("PCPROT: $call is a node") if isdbg('chanerr');
449 $r = Route::User::get($call);
450 my $flags = Route::here($here)|Route::conf($conf);
453 my $au = $r->addparent($parent);
454 if ($r->flags != $flags) {
458 push @rout, $r if $h && $au;
460 my @ans = $parent->add_user($call, $flags);
461 push @rout, @ans if $h && @ans;
464 # add this station to the user database, if required
465 my $user = DXUser->get_current($ncall);
466 $user = DXUser->new($call) unless $user;
467 $user->homenode($parent->call) if !$user->homenode;
468 $user->node($parent->call);
469 $user->lastin($main::systime) unless DXChannel::get($call);
472 # send info to all logged in thingies
473 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
474 $self->tell_buddies('loginb', $call, $ncall);
477 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
478 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
493 eph_del_regex("^PC16\\^$ncall.*$ucall");
495 # do I want users from this channel?
496 unless ($self->user->wantpc16) {
497 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
501 if ($ncall eq $main::mycall) {
502 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
506 RouteDB::delete($ncall, $self->{call});
508 my $uref = Route::User::get($ucall);
510 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
513 my $parent = Route::Node::get($ncall);
515 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
519 $dxchan = DXChannel::get($ncall);
520 if ($dxchan && $dxchan ne $self) {
521 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
526 if ($parent->via_pc92) {
527 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
532 if (DXChannel::get($ucall)) {
533 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
537 # input filter if required and then remove user if present
538 # return unless $self->in_filter_route($parent);
539 $parent->del_user($uref);
541 # send info to all logged in thingies
542 my $user = DXUser->get_current($ncall);
543 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
544 $self->tell_buddies('logoutb', $ucall, $ncall);
546 if (eph_dup($line)) {
550 $self->route_pc17($origin, $line, $parent, $uref);
551 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
561 $self->state('init');
563 my $parent = Route::Node::get($self->{call});
565 # record the type and version offered
566 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
567 $self->{version} = 53 + $version;
568 $self->user->version(53 + $version);
569 $parent->version(0 + $version);
570 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
571 $self->{build} = 0 + $build;
572 $self->user->build(0 + $build);
573 $parent->build(0 + $build);
574 dbg("DXSpider version $version build $build");
575 unless ($self->is_spider) {
576 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
577 $self->user->sort('S');
581 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
582 if ($_[1] =~ /\bpc9x/) {
583 if ($self->{isolate}) {
584 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
585 } elsif (!$self->user->wantpc9x) {
586 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
588 $self->{do_pc9x} = 1;
589 dbg("Do px9x set on $self->{call}");
593 dbg("Unknown software");
594 $self->version(50.0);
595 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
596 $self->user->version($self->version);
599 # first clear out any nodes on this dxchannel
600 my @rout = $parent->del_nodes;
601 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
602 $self->send_local_config();
610 # add this station to the user database, if required (don't remove SSID from nodes)
611 my $user = DXUser->get_current($call);
613 $user = DXUser->new($call);
614 $user->priv(1); # I have relented and defaulted nodes
616 $user->homenode($call);
619 $user->sort('A') unless $user->is_node;
623 # incoming cluster list
632 my $newline = "PC19^";
635 my (@rout, @pc92out);
637 # first get the INTERFACE node
638 my $parent = Route::Node::get($self->{call});
640 dbg("PCPROT: my parent $self->{call} has disappeared");
649 # We are making a major change from now on. We are only going to accept
650 # PC19s from directly connected nodes. This means that we are probably
651 # going to throw away most of the data that we are being sent.
653 # The justification for this is that most of it is wrong or out of date
656 # From now on we are only going to believe PC92 data and locally connected
659 for ($i = 1; $i < $#_-1; $i += 4) {
661 my $call = uc $_[$i+1];
664 next unless defined $here && defined $conf && is_callsign($call);
666 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
668 # check for sane parameters
669 # $ver = 5000 if $ver eq '0000';
670 next unless $ver && $ver =~ /^\d+$/;
671 next if $ver < 5000; # only works with version 5 software
672 next if length $call < 3; # min 3 letter callsigns
673 next if $call eq $main::mycall;
675 # check that this PC19 isn't trying to alter the wrong dxchan
677 my $dxchan = DXChannel::get($call);
679 if ($dxchan == $self) {
682 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
687 my $user = check_add_node($call);
689 # if (eph_dup($genline)) {
690 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
694 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
697 if ($parent->via_pc92) {
698 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
703 my $r = Route::Node::get($call);
704 my $flags = Route::here($here)|Route::conf($conf);
706 # modify the routing table if it is in it, otherwise store it in the pc19list for now
709 if ($call ne $parent->call) {
710 if ($self->in_filter_route($r)) {
711 $ar = $parent->add($call, $ver, $flags);
712 # push @rout, $ar if $ar;
717 if ($r->version ne $ver || $r->flags != $flags) {
723 if ($call eq $self->{call} || $user->wantroutepc19) {
724 my $new = Route->new($call); # throw away
725 if ($self->in_filter_route($new)) {
726 my $ar = $parent->add($call, $ver, $flags);
727 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
728 push @rout, $ar if $ar;
729 push @pc92out, $r if $h;
736 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
737 my $mref = DXMsg::get_busy($call);
738 $mref->stop_msg($call) if $mref;
740 $user->lastin($main::systime) unless DXChannel::get($call);
744 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
745 # but remember there will only be one (pair) these because any extras will be
748 # $self->route_pc21($self->{call}, $line, @rout);
749 $self->route_pc19($self->{call}, $line, @rout);
752 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
756 # send local configuration
764 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
765 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
766 $self->{do_pc9x} = 0;
768 $self->send_local_config;
770 $self->state('normal');
771 $self->{lastping} = 0;
772 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
775 # delete a cluster from the list
777 # This should never occur for directly connected nodes.
787 eph_del_regex("^PC1[679].*$call");
789 # if I get a PC21 from the same callsign as self then ignore it
790 if ($call eq $self->call) {
791 dbg("PCPROT: self referencing PC21 from $self->{call}");
795 RouteDB::delete($call, $self->{call});
797 my $parent = Route::Node::get($self->{call});
799 dbg("PCPROT: my parent $self->{call} has disappeared");
806 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
807 my $node = Route::Node::get($call);
810 if ($node->via_pc92) {
811 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
815 my $dxchan = DXChannel::get($call);
816 if ($dxchan && $dxchan != $self) {
817 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
822 return unless $self->in_filter_route($node);
824 # routing objects, force a PC21 if it is local
825 push @rout, $node->del($parent);
826 push @rout, $call if $dxchan && @rout == 0;
829 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
833 if (eph_dup($line)) {
838 $self->route_pc21($origin, $line, @rout);
839 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
851 if ($self->{do_pc9x}) {
852 if ($self->{state} ne 'init92') {
853 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
854 $self->{do_pc9x} = 0;
857 $self->{lastping} = 0;
858 $self->state('normal');
859 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
870 # route foreign' pc27s
872 if ($_[8] ne $main::mycall) {
873 $self->route($_[8], $line);
880 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
881 my $sfi = unpad($_[3]);
882 my $k = unpad($_[4]);
883 my $i = unpad($_[5]);
884 my ($r) = $_[6] =~ /R=(\d+)/;
886 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
887 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
891 # global wwv filtering on INPUT
892 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
893 if ($self->{inwwvfilter}) {
894 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
896 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
900 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
901 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
902 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
906 # note this only takes the first one it gets
907 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
911 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
913 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
916 # DON'T be silly and send on PC27s!
917 return if $pcno == 27;
919 # broadcast to the eager world
920 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
932 $nref = Route::Node::get($call);
933 $uref = Route::User::get($call);
934 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
936 if (eph_dup($line)) {
940 $nref->here($_[2]) if $nref;
941 $uref->here($_[2]) if $uref;
942 my $ref = $nref || $uref;
943 return unless $self->in_filter_route($ref);
945 $self->route_pc24($origin, $line, $ref, $_[3]);
955 if ($_[1] ne $main::mycall) {
956 $self->route($_[1], $line);
959 if ($_[2] eq $main::mycall) {
960 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
964 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
968 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
971 $self->send(pc26(@{$in}[0..4], $_[2]));
977 my @in = reverse Geomag::search(0, $_[4], time, 1);
980 $self->send(pc27(@{$in}[0..5], $_[2]));
985 sub handle_26 {goto &handle_11}
986 sub handle_27 {goto &handle_23}
995 if ($_[1] eq $main::mycall) {
997 my $sub = "DXMsg::handle_$pcno";
1000 $self->route($_[1], $line) unless $self->is_clx;
1004 sub handle_29 {goto &handle_28}
1005 sub handle_30 {goto &handle_28}
1006 sub handle_31 {goto &handle_28}
1007 sub handle_32 {goto &handle_28}
1008 sub handle_33 {goto &handle_28}
1016 if (eph_dup($line, $eph_pc34_restime)) {
1019 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1023 # remote command replies
1030 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1031 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1034 sub handle_36 {goto &handle_34}
1043 if ($_[1] eq $main::mycall) {
1045 my $sub = "DXDb::handle_$pcno";
1048 $self->route($_[1], $line) unless $self->is_clx;
1052 # node connected list from neighbour
1061 # incoming disconnect
1068 if ($_[1] eq $self->{call}) {
1069 $self->disconnect(1);
1071 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1075 sub handle_40 {goto &handle_28}
1088 my $l = "PC41^$call^$sort";
1089 if (eph_dup($l, $eph_info_restime)) {
1093 # input filter if required
1094 # my $ref = Route::get($call) || Route->new($call);
1095 # return unless $self->in_filter_route($ref);
1097 if ($val eq $sort || $val =~ /^\s*$/) {
1098 dbg('PCPROT: invalid value') if isdbg('chanerr');
1102 # add this station to the user database, if required
1103 my $user = DXUser->get_current($call);
1104 $user = DXUser->new($call) unless $user;
1107 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1108 dbg("PCPROT: invalid name") if isdbg('chanerr');
1109 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1110 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1115 } elsif ($sort == 2) {
1117 } elsif ($sort == 3) {
1118 if (is_latlong($val)) {
1119 my ($lat, $long) = DXBearing::stoll($val);
1120 $user->lat($lat) if $lat;
1121 $user->long($long) if $long;
1122 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1124 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1127 } elsif ($sort == 4) {
1128 $user->homenode($val);
1129 } elsif ($sort == 5) {
1130 if (is_qra(uc $val)) {
1131 my ($lat, $long) = DXBearing::qratoll(uc $val);
1132 $user->lat($lat) if $lat && !$user->lat;
1133 $user->long($long) if $long && !$user->long;
1134 $user->qra(uc $val);
1136 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1140 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1143 unless ($self->{isolate}) {
1144 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1147 # perhaps this IS what we want after all
1148 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1151 sub handle_42 {goto &handle_28}
1155 sub handle_44 {goto &handle_37}
1156 sub handle_45 {goto &handle_37}
1157 sub handle_46 {goto &handle_37}
1158 sub handle_47 {goto &handle_37}
1159 sub handle_48 {goto &handle_37}
1161 # message and database
1169 if (eph_dup($line)) {
1173 if ($_[1] eq $main::mycall) {
1174 DXMsg::handle_49($self, @_);
1176 $self->route($_[1], $line) unless $self->is_clx;
1180 # keep alive/user list
1190 RouteDB::update($call, $self->{call});
1192 my $node = Route::Node::get($call);
1194 return unless $node->call eq $self->{call};
1195 $node->usercount($_[2]);
1197 # input filter if required
1198 return unless $self->in_filter_route($node);
1200 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1204 # incoming ping requests/answers
1217 if ($to eq $main::mycall) {
1219 $self->send(pc51($from, $to, '0'));
1221 DXXml::Ping::handle_ping_reply($self, $from);
1225 RouteDB::update($from, $self->{call});
1227 if (eph_dup($line)) {
1230 # route down an appropriate thingy
1231 $self->route($to, $line);
1235 # dunno but route it
1243 if ($call ne $main::mycall) {
1244 $self->route($call, $line);
1258 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1259 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1260 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1263 @_ = map { unpad($_) } @_;
1265 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1269 my $wcy = WCY::update($d, @_[2..12]);
1273 $rep = Local::wcy($self, @_[1..12]);
1275 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1278 # broadcast to the eager world
1279 send_wcy_spot($self, $line, $d, @_[2..12]);
1282 # remote commands (incoming)
1289 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1292 # remote command replies
1299 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1302 # decode a pc92 call: flag call : version : build
1303 sub _decode_pc92_call
1306 my @part = split /:/, $icall;
1307 my ($flag, $call) = unpack "A A*", $part[0];
1308 return () unless defined $flag && $flag ge '0' && $flag le '7';
1309 return () unless $call && is_callsign($call);
1310 my $is_node = $flag & 4;
1311 my $is_extnode = $flag & 2;
1312 my $here = $flag & 1;
1313 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1316 # decode a pc92 call: flag call : version : build
1317 sub _encode_pc92_call
1321 # plain call or value
1322 return $ref unless ref $ref;
1326 my $call = $ref->call;
1328 $flag |= $ref->here ? 1 : 0;
1329 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1331 my $dxchan = DXChannel::get($call);
1332 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1334 if ($ref->version) {
1335 my $version = $ref->version || 1.0;
1336 $version = $version * 100 + 5300 if $version < 50;
1337 $extra .= ":" . $version;
1341 return "$flag$call$extra";
1348 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1353 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1354 @rout = $parent->add($call, $version, Route::here($here));
1356 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1357 @rout = $parent->add_user($call, Route::here($here));
1367 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1371 my $nref = Route::Node::get($call);
1372 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1373 @rout = $nref->del($parent) if $nref;
1375 my $uref = Route::User::get($call);
1376 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1377 @rout = $parent->del_user($uref) if $uref;
1388 if (!$_last_time || $_last_time != $main::systime) {
1389 $_last_time = $main::systime;
1391 return $_last_time - $main::systime_daystart;
1394 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1405 my $parent = ref $call ? $call : Route::Node::get($call);
1407 # we only do this for external calls whose routing table
1408 # record come and go. The reference for mycall is permanent
1409 # and not that frequently used, it also never times out, so
1410 # the id on it is completely unreliable. Besides, only commands
1411 # originating on this box will go through this code...
1412 if ($parent->call ne $main::mycall) {
1413 my $lastid = $parent->lastid->{$pc} || 0;
1415 if ($t+86400-$lastid > $pc9x_past_age) {
1416 dbg("PCPROT: dup id on $t <= $lastid, ignored") if isdbg('chanerr');
1419 } elsif ($t == $lastid) {
1420 dbg("PCPROT: dup id on $t == $lastid, ignored") if isdbg('chanerr');
1423 # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
1424 if ($t+$main::systime_daystart-$main::systime > $pc9x_future_age ) {
1425 dbg("PCPROT: id $t too far in the future, ignored") if isdbg('chanerr');
1431 $parent = Route::Node->new($call);
1433 $parent->lastid->{$pc} = $t;
1438 # DXSpider routing entries
1450 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1456 if ($pcall eq $main::mycall) {
1457 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1461 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1462 if ($self->{isolate}) {
1463 dbg("PC9x received, but $pcall is isolated, ignored");
1465 } elsif (!$self->user->wantpc9x) {
1466 dbg("PC9x explicitly switched off on $pcall, ignored");
1469 $self->state('init92');
1470 $self->{do_pc9x} = 1;
1471 dbg("Do pc9x set on $pcall");
1474 unless ($self->{do_pc9x}) {
1475 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1479 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1480 my $oparent = $parent;
1482 $parent->do_pc9x(1);
1483 $parent->via_pc92(1);
1485 if ($sort eq 'F' || $sort eq 'R') {
1487 # this is the route finding section
1488 # here is where the consequences of the 'find' command
1498 if ($ref = DXChannel::get($target)) {
1499 $flag = 1; # we are directly connected
1501 $ref = Route::get($target);
1502 $dxchan = $ref->dxchan;
1505 if ($ref && $flag && $dxchan) {
1506 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1509 } elsif ($sort eq 'R') {
1510 if (my $dxchan = DXChannel::get($from)) {
1511 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1513 my $ref = Route::get($from);
1515 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1517 $_->send($line) for @dxchan;
1519 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1522 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1527 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1529 # this is the main route section
1530 # here is where all the routes are created and destroyed
1532 my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
1536 # look at the first one which will always be a node of some sort
1537 # except in the case of 'A' or 'D' in which the $pcall is used
1538 # otherwise use the node call and update any information
1539 # that needs to be done.
1540 my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
1541 if (($sort eq 'A' || $sort eq 'D') && !$is_node) {
1542 # parent is already set correctly
1543 # this is to allow shortcuts for A and D records
1544 # not repeating the origin call to no real purpose
1547 if ($call && $is_node) {
1548 if ($call eq $main::mycall) {
1549 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1552 # this is only accepted from my "self".
1553 # this also kills configs from PC92 nodes with external PC19 nodes that are also
1554 # locally connected. Local nodes always take precedence.
1555 if (DXChannel::get($call) && $call ne $self->{call}) {
1556 dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1560 # reparent to external node (note that we must have received a 'C' or 'A' record
1561 # from the true parent node for this external before we get one for the this node
1562 unless ($parent = Route::Node::get($call)) {
1563 if ($is_extnode && $oparent) {
1564 @radd = _add_thingy($oparent, $ent[0]);
1567 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1571 $parent = check_pc9x_t($call, $t, 92) || return;
1572 $parent->via_pc92(1);
1575 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1578 $parent->here(Route::here($here));
1579 $parent->version($version) if $version && $version > $parent->version;
1580 $parent->build($build) if $build && $build > $parent->build;
1585 # do a pass through removing any references to either locally connected nodes or mycall
1589 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1590 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1598 push @radd, _add_thingy($parent, $_);
1600 } elsif ($sort eq 'D') {
1602 push @rdel, _del_thingy($parent, $_);
1604 } elsif ($sort eq 'C') {
1605 my (@nodes, @users);
1607 # we only reset obscounts on config records
1608 $oparent->reset_obs;
1609 $oparent->PC92C_dxchan($self->{call}) unless $self->{call} eq $oparent->call;
1610 dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
1611 if ($oparent != $parent) {
1613 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1614 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1618 foreach my $r (@nent) {
1619 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1622 push @nodes, $r->[0];
1624 push @users, $r->[0];
1627 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1631 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1634 foreach my $r (@nent) {
1637 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1641 foreach my $r (@$dnodes) {
1642 push @rdel,_del_thingy($parent, [$r, 1]);
1644 foreach my $r (@$dusers) {
1645 push @rdel,_del_thingy($parent, [$r, 0]);
1648 # remember this last PC92C for rebroadcast on demand
1649 $parent->last_PC92C($line);
1651 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1655 foreach my $r (@rdel) {
1658 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1659 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1661 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1662 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1663 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1664 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1665 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1668 # broadcast it if we get here
1669 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1680 # $self->{do_pc9x} ||= 1;
1683 unless (is_callsign($pcall)) {
1684 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1688 # remember that we are converting PC10->PC93
1689 unless ($self->{do_pc9x}) {
1690 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1695 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1702 $onode = $pcall if @_ <= 8;
1704 # this is catch loops caused by bad software ...
1705 if (eph_dup("PC93|$from|$text|$onode", $pc10_dupe_age)) {
1709 # will we allow it at all?
1712 if (@bad = BadWords::check($text)) {
1713 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1718 # if this is a 'bad spotter' user then ignore it
1720 $nossid =~ s/-\d+$//;
1721 if ($badspotter->in($nossid)) {
1722 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1726 if (is_callsign($to)) {
1729 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1730 $dxchan = DXChannel::get($to) unless $dxchan;
1733 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1734 if ($dxchan->is_user) {
1735 $dxchan->talk($from, $to, $via, $text, $onode);
1739 dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
1743 # convert to PC10 talks where appropriate
1744 my $ref = Route::get($to);
1746 # just go for the "best" one for now (rather than broadcast)
1747 $dxchan = $ref->dxchan;
1750 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1751 if ($dxchan->{do_pc9x}) {
1752 $dxchan->send($line);
1754 $dxchan->talk($from, $to, $via, $text, $onode);
1757 dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
1762 # otherwise, drop through and allow it to be broadcast
1763 } elsif ($to eq '*' || uc $to eq 'SYSOP' || uc $to eq 'WX') {
1765 my $sysop = uc $to eq 'SYSOP' ? '*' : ' ';
1766 my $wx = uc $to eq 'WX' ? '1' : '0';
1767 my $local = $via eq 'LOCAL' ? '*' : $via;
1769 $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1770 return if $via eq 'LOCAL';
1772 # chat messages to non-pc9x nodes
1773 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1775 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1778 # if get here then rebroadcast the thing with its Hop count decremented (if
1779 # there is one). If it has a hop count and it decrements to zero then don't
1782 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1793 unless (eph_dup($line)) {
1796 unless (is_callsign($pcall)) {
1797 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1801 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1802 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1804 unless ($self->{isolate}) {
1805 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me